Rate enhancement in unconventional gas reservoirs by wettability alteration
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- 作者：Saurabh Naik ; Zhenjiang You ; zyou@asp.adelaide.edu.au" class="auth_mail" title="E-mail the corresponding author ; Pavel Bedrikovetsky
- 关键词：Wettability alteration ; Production rate ; Unconventional gas reservoirs ; Capillary end effect ; Two phase flow ; Contact angle
- 刊名：Journal of Natural Gas Science and Engineering
- 出版年：2015
- 出版时间：September 2015
- 年：2015
- 卷：26
- 期：Complete
- 页码：1573-1584
- 全文大小：1002 K
文摘
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Analytical models for steady-state two-phase linear and radial flows in porous media with wettability heterogeneity.
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Contact-angle-dependent capillary pressure and relative permeability.
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Optimal contact angle for maximal gas productivity during gas production.
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Optimal contact angle for maximal water production during dewatering and fracturing fluid flow-back.
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Productivity index increases with capillary-viscous ratio and treated zone fraction.